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Observation of the radiative transitions between 4d9(2D5/2,3/2)5s2nl and 4d105p(2P
Authors:A. N. Gomonai and A. I. Imre
Affiliation:(1) Institute of Electron Physics, National Academy of Sciences of Ukraine, Uzhgorod, Ukraine
Abstract:
Radiative transitions between the 4d 9(2 D 5/2,3/2)5 s 2 nl and 4d 105p(2 P 1 2,3/2/0 )nl autoionization states of the cadmium atom, representing dielectronic recombination satellites of the laser lines of Cd+ ion with λ = 325.0 nm (4d 95s 2 2 D 3/2 → 4d 105p 2 P 1 2/0 ) and λ = 353.6 nm (4d 95s 2 2 D 3/2 → 4d 105p 2 P 3 2/0 ), have been observed for the first time in the regime of electron-ion collisions. The energy dependence of the effective cross sections for the electron-impact excitation of satellite lines has been studied in the interval from 7 to 10 eV. The effective cross sections for the excitation of dielectronic recombination satellites are on the order of ∼10−17 cm2, which is comparable with the efficiency of excitation of the main laser lines.
Keywords:
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